13321232022431 has 4 divisors (see below), whose sum is σ = 13321268208864. Its totient is φ = 13321195836000.

The previous prime is 13321232022281. The next prime is 13321232022487. The reversal of 13321232022431 is 13422023212331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13321232022431 - 2²² = 13321227828127 is a prime.

It is a super-2 number, since 2×13321232022431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321232022394 and 13321232022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321232022491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17535290 + ... + 18279191.

It is an arithmetic number, because the mean of its divisors is an integer number (3330317052216).

Almost surely, 2^{13321232022431} is an apocalyptic number.

13321232022431 is a deficient number, since it is larger than the sum of its proper divisors (36186433).

13321232022431 is an equidigital number, since it uses as much as digits as its factorization.

13321232022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36186432.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13321232022431 its reverse (13422023212331), we get a palindrome (26743255234762).

The spelling of 13321232022431 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty-two million, twenty-two thousand, four hundred thirty-one".